... insulator for high voltag pin suspension porcelain insulator 52-1/52-2/52-3/52-4/52-5Features1)Cap ... high voltage2)Material: Porcelain & Steel3)ANSI standard4)Item no.:52-1, 52-2, 52-3, 52-4, 52-5, 52 ... , 52-8, 52-95)Creepage distance:117.8, 171, 209.5, 292, 279.4mmBONLE is a professional company specializing in ... volatage cap and pin type suspension porcelain insulator 52-1/52-2/52-3/52-4/52-5